January 24, 2021 at 18:13:00 JST
Off the Coast of Ibaraki Prefecture · M3.9 · Shindo 2
茨城県沖
Places with the strongest observed Shindo
These municipalities had the highest station readings in this report. Open a place to compare this earthquake with its local history.
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Shindo readings and epicentre
Each numbered marker is an actual station reading. The orange M marker shows the epicentre.
Observed Shindo by station
These are actual readings reported at JMA and partner stations, not estimates.
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| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Katori City香取市仁良 | Chiba | 57.1 km |
| 1 | Kamisu City神栖市波崎 | Ibaraki | 38.5 km |
| 1 | Tohnosho Town東庄町笹川 | Chiba | 48.3 km |
| 1 | Kamisu City神栖市溝口 | Ibaraki | 48.8 km |
| 1 | Asahi City旭市萩園 | Chiba | 49.1 km |
| 1 | Asahi City旭市高生 | Chiba | 49.8 km |
| 1 | 茨城鹿嶋市鉢形 | Ibaraki | 50.5 km |
| 1 | 茨城鹿嶋市宮中 | Ibaraki | 52.2 km |
| 1 | Asahi City旭市ニ | Chiba | 53.6 km |
| 1 | Asahi City旭市南堀之内 | Chiba | 54.4 km |
| 1 | Itako City潮来市辻 | Ibaraki | 58.0 km |
| 1 | Itako City潮来市堀之内 | Ibaraki | 61.2 km |
| 1 | Sosa City匝瑳市八日市場ハ | Chiba | 61.6 km |
| 1 | Katori City香取市佐原平田 | Chiba | 62.6 km |
| 1 | Katori City香取市役所 | Chiba | 63.2 km |
| 1 | Katori City香取市岩部 | Chiba | 64.0 km |
| 1 | Katori City香取市佐原諏訪台 | Chiba | 64.1 km |
| 1 | Tako Town多古町多古 | Chiba | 68.8 km |
| 1 | Narita City成田市松子 | Chiba | 70.9 km |
| 1 | Inashiki City稲敷市須賀津 | Ibaraki | 71.7 km |
| 1 | Hitachinaka Cityひたちなか市南神敷台 | Ibaraki | 73.6 km |
| 1 | Shibayama Town芝山町小池 | Chiba | 75.1 km |
| 1 | Mito City水戸市栗崎町 | Ibaraki | 79.0 km |
| 1 | Inashiki City稲敷市江戸崎甲 | Ibaraki | 79.6 km |
| 1 | Mito City水戸市千波町 | Ibaraki | 85.3 km |
| 1 | Mito City水戸市内原町 | Ibaraki | 91.2 km |
| 1 | Yachiyo City八千代市大和田新田 | Chiba | 101.4 km |
| 1 | Kashiwa City柏市旭町 | Chiba | 112.2 km |
Report updates
Status, time and revision available in the stored report. Field-by-field differences may not be retained.
- Confirmed
Revision 1 · p2pquake
Sources and bulletins
Multiple source bulletins do not necessarily represent multiple corrections.
- P2PQUAKEIssued: January 24, 2021 at 18:16:00Received: July 31, 2026 at 00:29:47
- P2PQUAKEIssued: January 24, 2021 at 18:16:00Received: July 31, 2026 at 00:29:47
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Understand this earthquake report
Read Shindo, magnitude and JMA information in the right context.
A guide to event and issue times, hypocentre, depth, Shindo, tsunami information, preliminary reports and corrections.
Read guide →5 min readWhat does earthquake depth mean?A plain-language guide to hypocentre depth and why shallow and deep earthquakes can feel very different.
Read guide →5 min readMagnitude vs Shindo: what is the difference?Magnitude describes the size of an earthquake at its source; Shindo describes shaking at a place. Learn why they are not interchangeable.
Read guide →6 min readCan every earthquake cause a tsunami?What creates a tsunami, why magnitude alone is not enough and when to leave the coast immediately.
Read guide →